{"product_id":"bme680","title":"BME680 4-in-1 environmental sensor module — temperature, humidity, pressure, VOC gas","description":"\u003cp\u003eThe BME680 is a highly integrated environmental sensor from Bosch Sensortec that measures four parameters in a single compact package: temperature, relative humidity, barometric pressure, and VOC (volatile organic compound) gas resistance. The gas sensor enables indoor air quality (IAQ) assessment by detecting a broad range of gases including ethanol, acetone, and carbon monoxide. It communicates via I²C or SPI and is compatible with Arduino, ESP32, Raspberry Pi, and virtually any modern microcontroller.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Specifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSensor IC: Bosch BME680\u003c\/li\u003e\n\u003cli\u003eMeasurements: Temperature, Humidity, Pressure, Gas (VOC resistance)\u003c\/li\u003e\n\u003cli\u003eInterface: I²C (address 0x76 or 0x77) and SPI (up to 10 MHz)\u003c\/li\u003e\n\u003cli\u003eSupply voltage: 1.71V – 3.6V (module typically 3.3V – 5V with onboard regulator)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e range −40°C to +85°C, accuracy ±1.0°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHumidity:\u003c\/strong\u003e range 0–100% RH, accuracy ±3% RH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure:\u003c\/strong\u003e range 300– 1100 hPa, accuracy ±1 hPa\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas sensor:\u003c\/strong\u003e VOC resistance output (kΩ), broad-spectrum detection\u003c\/li\u003e\n\u003cli\u003eCurrent consumption: 2.1μA at 1Hz (humidity + temperature), ~0.1mA during gas measurement\u003c\/li\u003e\n\u003cli\u003eGas heater: integrated, programmable temperature (200°C – 400°C)\u003c\/li\u003e\n\u003cli\u003ePackage: LGA-8 (3.0mm × 3.0mm × 0.93mm)\u003c\/li\u003e\n\u003cli\u003eOperating temperature: −40°C to +85°C\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eI²C Pinout (typical module):\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVCC: 3.3V – 5V power input\u003c\/li\u003e\n\u003cli\u003eGND: Ground\u003c\/li\u003e\n\u003cli\u003eSDA: I²C data\u003c\/li\u003e\n\u003cli\u003eSCL: I²C clock\u003c\/li\u003e\n\u003cli\u003eSDO: I²C address select (GND = 0x76, VCC = 0x77) \/ SPI MISO\u003c\/li\u003e\n\u003cli\u003eCS: SPI chip select (pull high for I²C mode)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatible Libraries:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdafruit BME680 Arduino library\u003c\/li\u003e\n\u003cli\u003eBSEC (Bosch Sensortec Environmental Cluster) library for IAQ index\u003c\/li\u003e\n\u003cli\u003ePimoroni BME680 Python library (Raspberry Pi)\u003c\/li\u003e\n\u003cli\u003eESP-IDF BME680 component\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIndoor air quality (IAQ) monitoring and scoring\u003c\/li\u003e\n\u003cli\u003eSmart home environmental dashboards\u003c\/li\u003e\n\u003cli\u003eWeather stations and barometric loggers\u003c\/li\u003e\n\u003cli\u003eHVAC and ventilation control systems\u003c\/li\u003e\n\u003cli\u003eWearable environmental monitors\u003c\/li\u003e\n\u003cli\u003eIoT edge nodes for environmental sensing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The gas sensor requires a burn-in period of approximately 30 minutes on first use, and a run-in period of 5 minutes before each measurement for accurate VOC readings. Use Bosch’s BSEC library for a calibrated IAQ index (0–500 scale) rather than raw gas resistance values.\u003c\/p\u003e","brand":"Embeded Studio","offers":[{"title":"Default Title","offer_id":61896504443250,"sku":"ES-BME680-ENV","price":2500.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/7935\/3202\/files\/BME680.webp?v=1780445190","url":"https:\/\/embededstudio.com\/products\/bme680","provider":"Embeded Studio","version":"1.0","type":"link"}